Origin of the name ZAYD.
Etymology of the name ZAYD.
Meaning of the baby name ZAYD.

... Among the earliest
believers were his adopted children Zayd and 'Ali, and his bosom
friend Abu Bakr, of whom Muhammad would often say in after years—"I
never invited any to the faith who displayed not hesitation and
perplexity—excepting only Abu Bakr;... (The Preaching of Islam,
Arnold, 1896)